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Greenfield, IL
Full City Profile · Illinois · Greene County County
3.1
/5.0
B
Good
1,137
Population
665/sq mi density
$70,469
Median Income
$30,560 per capita
$97,600
Home Value
$129,647 Zillow
$833
Median Rent
23.8% income on rent
53°F
Avg Temperature
302 sunny days/yr
612
Violent Crime/100K
612 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$70,469 median income, 3.1% unemployment
A+
Affordability
5.0 / 5.0
$97,600 home value, $833/mo rent
F
Safety
1.0 / 5.0
612 violent crimes/100K (61% above avg)
C
Education
2.4 / 5.0
17.0% bachelor's degree or higher
Greenfield experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 27°F in January while summers reach 76°F in July. The area gets 302 sunny days per year. Annual precipitation totals 39.6 inches. The area receives 18.2 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
27°F Jan (-3°C)
76°F Jul (24°C)
| Annual Average | 52.9°F |
| 2% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 587 ft (179 m) |
| Area | 1.8 sq mi (4.6 km²) |
| Population Density | 665/sq mi |
| Coordinates | 39.3445°N, 90.2082°W |
| Timezone | America/Chicago |
| County | Greene County County |
| Nearest Airport | St Louis Regional (ALN) 33 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 13.0 / 100 |
| Social Vulnerability | 27.4 / 100 |
| Community Resilience | 67.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 1.6 in | Coldest, Driest |
| February | 31°F (-0°C) | 1.8 in | |
| March | 42°F (6°C) | 3.3 in | |
| April | 53°F (12°C) | 3.7 in | |
| May | 63°F (17°C) | 4.5 in | Wettest |
| June | 72°F (22°C) | 3.7 in | |
| July | 76°F (24°C) | 3.6 in | Warmest |
| August | 74°F (24°C) | 3.3 in | |
| September | 67°F (20°C) | 3.3 in | |
| October | 56°F (13°C) | 2.7 in | |
| November | 43°F (6°C) | 3.2 in | |
| December | 31°F (-0°C) | 2.7 in |
Greenfield has a seasonal temperature swing of 49°F / from 27°F in January to 76°F in July. Total annual precipitation is 37.2 inches, with May being the wettest month (4.5") and January the driest (1.6").